JPH0446860U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

本考案の実施例を示すもので、第１図は本案品
の側面図、第２図は座部下面の一部切欠斜視図、
第３図は要部の断面図である。 ４……座部取付板、５……背もたれ取付板、６
……取付軸、７……背もたれ支持杆、１０……係
止孔、１７……背もたれ固定杆、１９……突片、
２０……スプリング。 Embodiments of the present invention are shown; Fig. 1 is a side view of the proposed product, Fig. 2 is a partially cutaway perspective view of the underside of the seat,
FIG. 3 is a sectional view of the main part. 4...Seat mounting plate, 5...Backrest mounting plate, 6
... Mounting shaft, 7 ... Backrest support rod, 10 ... Locking hole, 17 ... Backrest fixing rod, 19 ... Projection piece,
20...Spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 支柱の上端に断面横長Ｕ状の座部取付板を介し
て座部を回転自在に取付け、該座部取付板の後側
位置の座部下面に断面横長角筒状の背もたれ取付
板を取付け、該背もたれ取付板の後端の突出両側
板間に架設する軸に中央部以下を弯曲部とし下端
部を断面丸味のある三角形状とした背もたれ支持
杆の下端を回転自在に軸着し、該支持杆の下端面
に係止孔を設け、上端には背もたれを取付け、上
記背もたれ取付板の後側に支持杆の回転を規制す
る停止板を設け、該板の表面にゴム製緩衝板を接
着し、上記座部取付板の後側下面に取付基盤を設
けて操作レバーの後端部を内嵌し、該端部に固定
杆を連結し、固定杆の先端に上記係止孔と係合す
るかぎ部を設け、後端には突片を突設し、該突片
と座部取付板間にスプリングを介装し、取付基盤
の表面にカバーを設けたことを特徴とする背もた
れを折りたたみ可能にした椅子。 A seat is rotatably attached to the upper end of the column via a seat attachment plate having a horizontally elongated U-shaped cross section, and a backrest attaching plate having an oblong rectangular cylindrical cross section is attached to the lower surface of the seat at the rear side of the seat attaching plate. The lower end of a backrest support rod having a curved portion below the center and a triangular shape with a rounded cross-section at the lower end is rotatably attached to a shaft installed between the protruding side plates at the rear end of the backrest mounting plate. A locking hole is provided on the lower end surface of the rod, a backrest is attached to the upper end, a stop plate is provided on the rear side of the backrest mounting plate to restrict rotation of the support rod, and a rubber buffer plate is glued to the surface of the plate. , a mounting base is provided on the rear lower surface of the seat mounting plate, the rear end of the operating lever is fitted therein, a fixing rod is connected to the end, and the tip of the fixing rod is engaged with the locking hole. A foldable backrest characterized by having a hook portion, a protruding piece protruding from the rear end, a spring interposed between the protruding piece and the seat mounting plate, and a cover provided on the surface of the mounting base. chair.